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jquery find closest previous sibling with class
...
Try:
$('li.current_sub').prevAll("li.par_cat:first");
Tested it with your markup:
$('li.current_sub').prevAll("li.par_cat:first").text("woohoo");
will fill up the closest previous li.par_cat with "woohoo".
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C++ new int[0] — will it allocate memory?
... When the value of the expression in a direct-new-declarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the space reques...
Set attribute without value
... answered Oct 31 '12 at 13:37
Callum McLeanCallum McLean
1,20177 silver badges1212 bronze badges
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How to convert decimal to hexadecimal in JavaScript
...) to hex and back using this technique. The question you linked is specifically referencing numbers too large to fit into a Double (hence the string representation in the question). If you've got a Number then this will work. If you have something too big to be a javascript Number object (a Double) ...
How to make code wait while calling asynchronous calls like Ajax [duplicate]
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Use callbacks. Something like this should work based on your sample code.
function someFunc() {
callAjaxfunc(function() {
console.log('Pass2');
});
}
function callAjaxfunc(callback) {
//All ajax calls called here
o...
Determine if a function exists in bash
..., built-in function, external command, or just not defined. Example:
$ LC_ALL=C type foo
bash: type: foo: not found
$ LC_ALL=C type ls
ls is aliased to `ls --color=auto'
$ which type
$ LC_ALL=C type type
type is a shell builtin
$ LC_ALL=C type -t rvm
function
$ if [ -n "$(LC_ALL=C type -t rvm)...
Byte array to image conversion
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AAAh thanks, Finally a good answer. Why so many answers with memory stream, it cause me so much problem. thanks a lot !
– Julian50
Jun 30 '15 at 11:35
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What is the difference between pluck and collect in Rails?
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When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first...
What killed my process and why?
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I just wrote a program that malloc'd memory in an inifite loop. After the system got slow, "Killed" was displayed in the terminal and the process was terminated. The file /var/log/kern.log contained a lot of info about the termination. -Thanks for the...
How can I split a text into sentences?
...sentence_terminator in sentence_terminators:
t_indices = list(find_all(paragraph, sentence_terminator))
possible_endings.extend(([] if not len(t_indices) else [[i, len(sentence_terminator)] for i in t_indices]))
for contraction in contractions:
c_indices = list(find_all(p...